Adtran MX2800 M13 DS3 Redundant Multiplexer with Modem and Fan - 2 x E1 Network, 1 x 10Base-T , 2 x T3 Network - 2.048Mbps E1 , 10Mbps Ethernet, 44.73Mbps T3
MX2800 DS3 AC Non-Redundant with Modem (A non-redundant M13 mux that is AC powered and has a built-in V.34 modem for management. Includes one controller card and one power supply. Unit is 19 Inch or 23 Inch rackmountable and ships w/ one 8-pin to 8-pin modular cable, one modular to DB-9 female adapter)
MX2800 DS3, AC Redundant with Modem, 19 or 23 rackmountable and ships with one 8-pin to 8-pin modular cable, one modular to DB-9 female adapter, AC powered and has an optional built-in V.34 modem for management, optional fans for temperature controlled environments or when more than 27 units are needed in one rack, consist of a chassis, one or two DS3 controller cards, and one or two AC Power Supplies